package com.yunzone.cloud.modules.payment.service.impl;

import cn.hutool.core.util.IdUtil;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixProperty;
import com.yunzone.cloud.modules.payment.service.PaymentService;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.PathVariable;

import java.util.concurrent.TimeUnit;
@Service
public class  PaymentServiceImpl implements PaymentService {

    @Override
    public String paymentSuccess(Long id) {
        return "paymentSuccess，线程池："+Thread.currentThread().getName();
    }

    @Override
    @HystrixCommand(fallbackMethod = "paymentFailHandler",commandProperties = {
            @HystrixProperty(name = "execution.isolation.thread.timeoutInMilliseconds",value = "5000")
    })
    public String paymentFail(Long id) {
        //int a=10/0;//模拟异常
        try {
            TimeUnit.MILLISECONDS.sleep(3000);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        return "paymentFail，线程池："+Thread.currentThread().getName();
    }

    public String paymentFailHandler(Long id) {
        return "响应异常，来自8001，请稍后再试，"+Thread.currentThread().getName();
    }

    /*========服务熔断========*/
    @HystrixCommand(fallbackMethod = "rdFallbackHandler",commandProperties ={
            @HystrixProperty(name = "circuitBreaker.enabled",value = "true"), //是否开启断路器
            @HystrixProperty(name = "circuitBreaker.requestVolumeThreshold",value = "10"), //请求次数
            @HystrixProperty(name = "circuitBreaker.sleepWindowInMilliseconds",value = "10000"), //时间窗口期
            @HystrixProperty(name = "circuitBreaker.errorThresholdPercentage",value = "60"),//失败率达到多少后跳闸
    })
    public String rd(@PathVariable("id") Long id) {
        if (id < 0) {
            throw new RuntimeException("******id 不能为负数");
        }
        String serialNumber = IdUtil.simpleUUID();
        return Thread.currentThread().getName()+"\t"+ "调用成功，流水号：" + serialNumber;
    }

    public String rdFallbackHandler(@PathVariable("id") Long id) {
        return "id 不能负数："+id+"，请稍后再试，ID：" + id;
    }


}



